1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
|
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
; RUN: opt -S -mtriple=amdgcn-unknown-amdhsa -mcpu=kaveri -amdgpu-promote-alloca-to-vector-limit=128 -passes=amdgpu-promote-alloca-to-vector %s -o - | FileCheck %s
; Check that when we see an alloca that's too big to vectorize given the remaining budget,
; we don't give up and we keep looking for other allocas to vectorize.
define amdgpu_kernel void @simple_users_scores() {
; CHECK-LABEL: define amdgpu_kernel void @simple_users_scores(
; CHECK-SAME: ) #[[ATTR0:[0-9]+]] {
; CHECK-NEXT: [[ENTRY:.*:]]
; CHECK-NEXT: [[MANYUSERS:%.*]] = alloca [64 x i64], align 4, addrspace(5)
; CHECK-NEXT: [[SIMPLEUSER:%.*]] = freeze <4 x i64> poison
; CHECK-NEXT: [[TMP0:%.*]] = insertelement <4 x i64> [[SIMPLEUSER]], i64 42, i32 0
; CHECK-NEXT: [[MANYUSERS_1:%.*]] = getelementptr i8, ptr addrspace(5) [[MANYUSERS]], i64 2
; CHECK-NEXT: [[V0:%.*]] = load i8, ptr addrspace(5) [[MANYUSERS_1]], align 1
; CHECK-NEXT: [[V0_EXT:%.*]] = zext i8 [[V0]] to i64
; CHECK-NEXT: store i64 [[V0_EXT]], ptr addrspace(5) [[MANYUSERS_1]], align 8
; CHECK-NEXT: [[MANYUSERS_2:%.*]] = getelementptr i8, ptr addrspace(5) [[MANYUSERS]], i64 1
; CHECK-NEXT: [[V1:%.*]] = load i8, ptr addrspace(5) [[MANYUSERS_2]], align 1
; CHECK-NEXT: [[V1_EXT:%.*]] = zext i8 [[V0]] to i64
; CHECK-NEXT: store i64 [[V1_EXT]], ptr addrspace(5) [[MANYUSERS_2]], align 8
; CHECK-NEXT: ret void
;
entry:
; should get a score of 1
%simpleuser = alloca [4 x i64], align 4, addrspace(5)
; should get a score of 4 and be visited first.
%manyusers = alloca [64 x i64], align 4, addrspace(5)
store i64 42, ptr addrspace(5) %simpleuser
%manyusers.1 = getelementptr i8, ptr addrspace(5) %manyusers, i64 2
%v0 = load i8, ptr addrspace(5) %manyusers.1
%v0.ext = zext i8 %v0 to i64
store i64 %v0.ext, ptr addrspace(5) %manyusers.1
%manyusers.2 = getelementptr i8, ptr addrspace(5) %manyusers, i64 1
%v1 = load i8, ptr addrspace(5) %manyusers.2
%v1.ext = zext i8 %v0 to i64
store i64 %v1.ext, ptr addrspace(5) %manyusers.2
ret void
}
|
